#include"string.h"
int main()
{
	cx::string s1("hello");
	cx::string s2;
	/*s2 = s1;
	s1.~string();*/
	//s1.reserve(6);
	s1.push_back('s');
	s1.append("jjjjj");
	s1.insert(2,"yyy");
	s1.erase(2, 2);
	return 0;
}